# Manuals/calci/GEOMEAN

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**GEOMEAN()**

- Parameters are any set of positive real numbers.
- GEOMEAN(),Returns the geometric mean.

## Description

- This function gives the Geometric Mean of an array or references.
- For example, it is used to calculate average rate of growth of human population.
- The Geometric Mean of two numbers is, the square root of their product.
- The Geometric Mean of the three numbers is, the cube root of their product.
- So the geometric mean of numbers is defined as the root of the product of the numbers.
- In , Parameters are any set of positive real numbers and first parameter is required. From second parameters are optional.
- The arguments can be numbers,names,arrays or references that contain numbers.
- Also we can directly use logical values and text representations of numbers.
- The values are ignored, when the argument contains logical values or empty cells.
- The Geometric and Arithmetic Means are equal, when all the numbers in the given set are equal, otherwise the Geometric Mean of a data set is less than the data set's Arithmetic Mean.
- The geometric mean of a data set is given by:

- This function will give the result as error when

1.Any one of the argument is non-numeric 2.Any one 3.Any one of the references cannot be translated in to numbers.

## ZOS

- The syntax is to calculate GEOMEAN in ZOS is .
- Parameters are any set of positive real numbers.

- For e.g.,GEOMEAN(1,2,3,4,5),GEOMEAN(11.5..20.5..0.5)

## Examples

- =GEOMEAN(3,27) = 9
- =GEOMEAN(2,4,8) = 3.9999999999999996
- =GEOMEAN(3,5,8,10,12) = 6.786916380543178
- =GEOMEAN(-2,32) = #N/A (NUMBER > 0 REQUIRED)

## Related Videos

## See Also

## References